香港六合彩开奖 12312-2:2015

Published (Edition 1, 2015)

This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

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Abstract

香港六合彩开奖 12312-2:2015 applies to all afocal (plano power) products intended for direct observation of the sun, such as solar eclipse viewing.

香港六合彩开奖 12312-2:2015 does not apply to the following:

a) afocal (plano power) sunglasses and clip-ons for general use intended for protection against solar radiation;

b) eyewear for protection against radiation from artificial light sources, such as those used in solaria;

c) eye protectors specifically intended for sports (e.g. ski goggles or other types);

d) sunglasses that have been medically prescribed for attenuating solar radiation;

e) prescription sunglass lenses.

This standard contributes to the following Sustainable Development Goal

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